901513 has 2 divisors, whose sum is σ = 901514. Its totient is φ = 901512.

The previous prime is 901501. The next prime is 901517. The reversal of 901513 is 315109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 2809 = 948^2 + 53^2 .

It is an emirp because it is prime and its reverse (315109) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901513 is a prime.

It is not a weakly prime, because it can be changed into another prime (901517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450756 + 450757.

It is an arithmetic number, because the mean of its divisors is an integer number (450757).

2⁹⁰¹⁵¹³ is an apocalyptic number.

It is an amenable number.

901513 is a deficient number, since it is larger than the sum of its proper divisors (1).

901513 is an equidigital number, since it uses as much as digits as its factorization.

901513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 901513 is about 949.4803842102. The cubic root of 901513 is about 96.6030113354.

The spelling of 901513 in words is "nine hundred one thousand, five hundred thirteen".